Sanitary sewer overflow (SSO) reported
Ended (as reported) · Virginia DEQ Pollution Response Program (PReP), Northern Regional Office
Source: Virginia DEQ Pollution Response Program (PReP), Northern Regional Office via Virginia DEQ Pollution Response Program (PReP) pollution reports, sewage-related, record 324209, reported Jul 1, 2026, 12:04 PM EDT, retrieved 2026-11-03 02:40 UTC · Read the original notice
Current status from this report
This report does not set a map status as of Nov 2, 2026, 9:43 PM EST. Check its dates and the status rules.
A report is not a test of the water. See how we assign statuses.
Read the original notice · Report an error
1. Reported wastewater outlet
Operator named in the record: not named. Outlet: not stated. Location: 38.95021, -77.16391; location source: geocoded from an address or place name.
Outfall: a pipe or outlet where wastewater enters a water body.
2. Waters named in the notice
The notice names no water. Not linked to a mapped water.
3. Estimated downstream stretch
We estimate routes only on rivers before they become tidal. We do not estimate routes through tidal water or lakes.
Map sources: water outlines and launches from OpenBoatLaunch and OpenStreetMap contributors (Open Database License); wastewater outlets from EPA and state records; downstream estimates by DirtyWaterWatch using U.S. Geological Survey maps and flow data. Base map: OpenFreeMap and OpenMapTiles.
When it happened and when it was reported
Event and notice times use Eastern Time (EST or EDT). Retrieval times use Coordinated Universal Time (UTC).
- Started
- not reported
- Ended
- not reported
- Detail provided by the source
- not stated
- Reported to the source
- Published
- not given
- Source last updated
- Last retrieved by DirtyWaterWatch
What and how much
- Type
- Sanitary sewer overflow (SSO): sewage spills from a sewer meant to carry sewage separately from rainwater.
- Status in the record
- Ended (as reported)
- Material
- “untreated sewage”
- Volume
- 1,050 gallons (not stated whether estimated or measured)
- Volume as reported
- “1,050 gallons”
Advice from Virginia DEQ Pollution Response Program (PReP), Northern Regional Office
This report includes no advice. Check current local health notices.
- Advice period
- This report does not state a period. See the rule DirtyWaterWatch applies and its source.
- Basis
- not stated
Source and versions
- Source
- Virginia DEQ Pollution Response Program (PReP) pollution reports, sewage-related
- Source record number
- 324209
- Original notice
- Read the original notice
- Earlier version
- None: this is the first record
- Later versions
- None
Record details
| Record identifier | va-deq-prep:324209 |
|---|---|
| Source identifier | va-deq-prep |
| Source record number | 324209 |
| Earlier version | Not provided |
| Type | Sanitary sewer overflow (SSO) |
| Status in the report | Ended (as reported) |
| Sewer operator identifier | Not provided |
| Sewer operator | Not provided |
| Federal wastewater discharge permit (NPDES) | Not provided |
| Outlet number | Not provided |
| Outlet name | Not provided |
| Water named in the report | Not provided |
| Linked waters | Not provided |
| How this report was linked to the water | not linked to a mapped water |
| Latitude | 38.95 |
| Longitude | -77.164 |
| Location source | geocoded from an address or place name |
| Location accuracy, in metres | Not provided |
| Started | Not provided |
| Ended | Not provided |
| Detail provided by the source | Not provided |
| Reported to the source | Jul 1, 2026, 12:04 PM EDT (2026-07-01T12:04:07-04:00) |
| Published | Not provided |
| Source last updated | Jul 6, 2026, 4:20 PM EDT (2026-07-06T16:20:31-04:00) |
| Last retrieved by DirtyWaterWatch | Nov 2, 2026, 9:40 PM EST (2026-11-03T02:40:36Z) |
| Material | untreated sewage |
| Volume, in gallons | 1,050 |
| Volume as reported | 1,050 gallons |
| How volume was determined | not stated whether estimated or measured |
| Authority | Virginia DEQ Pollution Response Program (PReP), Northern Regional Office |
| Advice | Not provided |
| Advice period, in hours | Not provided |
| Basis of the advice period | Not provided |
| Original notice | https://portal.deq.virginia.gov/v2/prep/prepReport/324209 |
Original source data
{
"report": {
"id": "324209",
"via": "api",
"incident": "2026-07-01T08:00:51",
"incident_end": null,
"received": "2026-07-01T12:04:07",
"closed": "2026-07-06T16:20:31",
"modified": "2026-07-06T16:20:31",
"date_unknown": true,
"site_name": "SSO - Unpermitted - Fairfax Co - Blue Plains WWTP (DC)",
"address": "6520 Georgetown Pike",
"city": "McLean",
"zip": "22101",
"county_city": "Fairfax County",
"region": "Northern",
"status_text": "Closed",
"categories": [
"Risk Tier 1",
"Sanitary Sewer Overflow"
],
"waterbody": null,
"other_waterbody": null,
"original_waterbody": null,
"water_threatened": "N",
"low": null,
"high": null,
"unit": null,
"ssors": null,
"nrc": [],
"vdem": null,
"epa": null,
"facility_name": null,
"facility_permitted": "N",
"responsible_company": null,
"still_occurring": "N"
},
"text": {
"incident_comment": "DEQ received an online pollution report for an unpermitted SSO (sanitary sewer overflow) in Fairfax Co on piping that terminates at Blue Plains WWTP (DC). Approximately 1050 of sewage released due to a bypass pump failure. Sewage entered state surface waters. Fairfax Co responded and stopped the overflow. Report received an requirements met. No additional DEQ action necessary.",
"location_comment": "Langley School pump station, Grid #022-3, emergency bypass connection.",
"closure_comment": null
},
"sewage": [
{
"duration_h": 1,
"component": "Pump Station Failure",
"component_id": 4,
"volume_gal": 1050,
"volume_unknown": null,
"wet_weather": "N",
"treated": "N",
"precipitation_in": null,
"causes": [
"Pump Station"
],
"impacts": [
"Discharge to State Waters"
],
"corrective_action": null,
"steps_taken": null,
"component_comment": null,
"other_cause": null
}
],
"status_log": [
{
"at": "2026-07-01T12:04:09",
"type": "Call Received"
},
{
"at": "2026-07-01T12:09:46",
"type": "Under Investigation"
},
{
"at": "2026-07-01T12:09:46",
"type": "Assigned"
},
{
"at": "2026-07-06T00:00:00",
"type": "Report Received"
},
{
"at": "2026-07-06T16:20:16",
"type": "Program Participant Assigned"
},
{
"at": "2026-07-06T16:20:32",
"type": "Closed Call/IR"
}
],
"created_in_prep": "2026-07-01T12:04:09",
"event_type_basis": "DEQ category Sanitary Sewer Overflow",
"permit": {
"typed_permit": null,
"deq_vpdes_links": null,
"ms4": null,
"ms4_links": null,
"basis": "none"
},
"discharger_match": {
"by_permit": null,
"by_name": null
},
"volume_basis": "sewage report discharge volume (gallons)",
"_ended_at_basis": null,
"_time_basis": "PReP API times are local wall-clock times with no zone, read as America/New_York. The export table stores local time + 5 h all year (decoded by subtracting 5 h); the EDMA point layer stores local time labelled as UTC (decoded by reading the UTC clock as local).",
"water_placement": {
"text": null,
"towns": [
"McLean",
"Fairfax County"
],
"notes": null,
"echo_outfall": null
},
"point": {
"lat": 38.950211,
"lon": -77.163906,
"layer": "DEQ EDMA layer 175 (PReP Reports, Daily)",
"reference_point": "PG",
"note": "DEQ's geocode of the report's site address (REFERENCE_POINT 'PG'), not an outfall point",
"edma_incident": "2026-07-01T08:00:51-04:00",
"edma_received": "2026-07-01T12:04:07-04:00"
},
"attribution": "DEQ is the data source. DEQ does not certify that this data represents a complete record. This data is provided to the citizens of the Commonwealth free of charge and for informational purposes only.",
"api_url": "https://portal.deq.virginia.gov/prep/api/prepReports/324209?expand=prepStatusCode,prepUnitTypeCode,prepReportSewages.prepComponentTypeCode,prepReportSewages.prepSewageCauses.prepCauseCode,prepReportSewages.prepSewageImpacts.prepImpactTypeCode,prepReportReleaseSubtypes.prepReleaseSubtypeCode,prepReportPermitViews,prepOriginalReport,prepReportEvents.prepEventTypeCode,prepFipsCode.fipsRegion"
} Source: Virginia DEQ Pollution Response Program (PReP), Northern Regional Office via Virginia DEQ Pollution Response Program (PReP) pollution reports, sewage-related, record 324209, reported Jul 1, 2026, 12:04 PM EDT, retrieved 2026-11-03 02:40 UTC · Read the original notice
Staff names, email addresses and phone numbers are removed from source data before it is stored.